Blood Flow In Arteries Flashcards

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1
Q

Vasoconstriction

A

Muscles in artery wall contract to reduce artery diameter

Blood flow reduced

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2
Q

Vasodilation

A

Muscle fibres in wall of artery relax increasing artery diameter
Increases blood flow

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3
Q

Blood Flow In Arteries

A

Wall of artery is made of smooth muscle and elastic fibres
When ventricles relax, blood pumped into arteries
Wall of arteries expand to accommodate for blood
Recoil when ventricles relax

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